Justin Van Patten

It’s now possible to provide resource methods from Pulumi Packages. Resource methods are similar to functions, but instead of being exposed as top-level functions in a module, methods are exposed as methods on a resource class. This allows for a more object-oriented approach to exposing functionality—operations performed by a resource (that potentially use the resource’s state) can now be exposed as methods on the resource. Resource methods can be implemented once, in your language of choice, and made available to users in all Pulumi languages.

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Today we’re excited to announce some fairly significant improvements to the experience of writing Pulumi programs in Python. We’ve added type annotations to APIs and now allow passing nested data as strongly typed classes instead of raw dicts. This provides a much better editing experience in IDEs, improved type checking, and overall consistency.

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We recently announced a new policy as code solution, CrossGuard that validates policies at deployment time. Policies are expressed as code and are used to prevent the creation of out-of-compliance resources. This allows an organization to prevent entire classes of security and reliability defects to ensure infrastructure is following best practices. Because policies are written using full-blown programming languages, it’s possible to do interesting things such as combining IAM Access Analyzer and Pulumi CrossGuard. In this post, we’ll take a closer look at the different types of policies that can be written.

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